/*
* Licensed to Metamarkets Group Inc. (Metamarkets) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Metamarkets licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/

package io.druid.segment.loading;

import io.druid.timeline.DataSegment;

import java.io.File;

/**
 * A DataSegmentPuller is responsible for pulling data for a particular segment into a particular directory
 */
public interface DataSegmentPuller
{
  /**
   * Pull down segment files for the given DataSegment and put them in the given directory.
   *
   * @param segment The segment to pull down files for
   * @param dir     The directory to store the files in
   *
   * @throws SegmentLoadingException if there are any errors
   */
  public void getSegmentFiles(DataSegment segment, File dir) throws SegmentLoadingException;
}
